From Wikipedia, the free encyclopedia. Michael Arndt is an American screenwriter. After graduating from New York University, Arndt was a script reader for some time before choosing to write screenplays instead. He is best known for his first produced screenplay Little Miss Sunshine, for which he received multiple awards including the Academy Award for Best Original Screenplay. Arndt also best known for his second screenplay from the film Toy Story 3, for which he also received multiple awards and nominations including nomination for the Academy Award for Best Adapted Screenplay. This making Arndt the first ever screenwriter to be nominated for both Academy Award for Best Original Screenplay and Best Adapted Screenplay for his first two screenplays. Description above from the Wikipedia article Michael Arndt , licensed under CC-BY-SA, full list of contributors on Wikipedia.